Update ARP cache of neighbours (from fedora).

svn-id: @8719

diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index 159313b4687653dddf83ba541a7c2be5680c0a6b..9928965ee7a0f352dd1b5373db43f013935cbcbd 100755 (executable)
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -184,6 +184,12 @@ else
                ip addr add ${IP6ADDR} dev ${DEVICE} ${IP6ADDROPT}
        fi
 
+       if [ -x /sbin/arping ]; then
+               # update ARP cache of neighboring computers
+               /sbin/arping -q -A -c 1 -I ${REALDEVICE} ${IPADDR}
+               ( sleep 2; /sbin/arping -q -U -c 1 -I ${REALDEVICE} ${IPADDR} ) > /dev/null 2>&1 < /dev/null &
+       fi
+
        # IPv4/6 gateways and default routes
        setup_ip_gw_ro
 fi